libgfortran/aclocal.m4

   1 # generated automatically by aclocal 1.9.6 -*- Autoconf -*-
   2
   3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   4 # 2005  Free Software Foundation, Inc.
   5 # This file is free software; the Free Software Foundation
   6 # gives unlimited permission to copy and/or distribute it,
   7 # with or without modifications, as long as this notice is preserved.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 # PARTICULAR PURPOSE.
  13
  14 # Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
  15 #
  16 # This file is free software; the Free Software Foundation
  17 # gives unlimited permission to copy and/or distribute it,
  18 # with or without modifications, as long as this notice is preserved.
  19
  20 # AM_AUTOMAKE_VERSION(VERSION)
  21 # ----------------------------
  22 # Automake X.Y traces this macro to ensure aclocal.m4 has been
  23 # generated from the m4 files accompanying Automake X.Y.
  24 AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"])
  25
  26 # AM_SET_CURRENT_AUTOMAKE_VERSION
  27 # -------------------------------
  28 # Call AM_AUTOMAKE_VERSION so it can be traced.
  29 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
  30 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
  31          [AM_AUTOMAKE_VERSION([1.9.6])])
  32
  33 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
  34
  35 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
  36 #
  37 # This file is free software; the Free Software Foundation
  38 # gives unlimited permission to copy and/or distribute it,
  39 # with or without modifications, as long as this notice is preserved.
  40
  41 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
  42 # $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
  43 # `$srcdir', `$srcdir/..', or `$srcdir/../..'.
  44 #
  45 # Of course, Automake must honor this variable whenever it calls a
  46 # tool from the auxiliary directory.  The problem is that $srcdir (and
  47 # therefore $ac_aux_dir as well) can be either absolute or relative,
  48 # depending on how configure is run.  This is pretty annoying, since
  49 # it makes $ac_aux_dir quite unusable in subdirectories: in the top
  50 # source directory, any form will work fine, but in subdirectories a
  51 # relative path needs to be adjusted first.
  52 #
  53 # $ac_aux_dir/missing
  54 #    fails when called from a subdirectory if $ac_aux_dir is relative
  55 # $top_srcdir/$ac_aux_dir/missing
  56 #    fails if $ac_aux_dir is absolute,
  57 #    fails when called from a subdirectory in a VPATH build with
  58 #          a relative $ac_aux_dir
  59 #
  60 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
  61 # are both prefixed by $srcdir.  In an in-source build this is usually
  62 # harmless because $srcdir is `.', but things will broke when you
  63 # start a VPATH build or use an absolute $srcdir.
  64 #
  65 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
  66 # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
  67 #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
  68 # and then we would define $MISSING as
  69 #   MISSING="\${SHELL} $am_aux_dir/missing"
  70 # This will work as long as MISSING is not called from configure, because
  71 # unfortunately $(top_srcdir) has no meaning in configure.
  72 # However there are other variables, like CC, which are often used in
  73 # configure, and could therefore not use this "fixed" $ac_aux_dir.
  74 #
  75 # Another solution, used here, is to always expand $ac_aux_dir to an
  76 # absolute PATH.  The drawback is that using absolute paths prevent a
  77 # configured tree to be moved without reconfiguration.
  78
  79 AC_DEFUN([AM_AUX_DIR_EXPAND],
  80 [dnl Rely on autoconf to set up CDPATH properly.
  81 AC_PREREQ([2.50])dnl
  82 # expand $ac_aux_dir to an absolute path
  83 am_aux_dir=`cd $ac_aux_dir && pwd`
  84 ])
  85
  86 # AM_CONDITIONAL                                            -*- Autoconf -*-
  87
  88 # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
  89 # Free Software Foundation, Inc.
  90 #
  91 # This file is free software; the Free Software Foundation
  92 # gives unlimited permission to copy and/or distribute it,
  93 # with or without modifications, as long as this notice is preserved.
  94
  95 # serial 7
  96
  97 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  98 # -------------------------------------
  99 # Define a conditional.
 100 AC_DEFUN([AM_CONDITIONAL],
 101 [AC_PREREQ(2.52)dnl
 102  ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
 103         [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
 104 AC_SUBST([$1_TRUE])
 105 AC_SUBST([$1_FALSE])
 106 if $2; then
 107   $1_TRUE=
 108   $1_FALSE='#'
 109 else
 110   $1_TRUE='#'
 111   $1_FALSE=
 112 fi
 113 AC_CONFIG_COMMANDS_PRE(
 114 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
 115   AC_MSG_ERROR([[conditional "$1" was never defined.
 116 Usually this means the macro was only invoked conditionally.]])
 117 fi])])
 118
 119 # Do all the work for Automake.                             -*- Autoconf -*-
 120
 121 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
 122 # Free Software Foundation, Inc.
 123 #
 124 # This file is free software; the Free Software Foundation
 125 # gives unlimited permission to copy and/or distribute it,
 126 # with or without modifications, as long as this notice is preserved.
 127
 128 # serial 12
 129
 130 # This macro actually does too much.  Some checks are only needed if
 131 # your package does certain things.  But this isn't really a big deal.
 132
 133 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
 134 # AM_INIT_AUTOMAKE([OPTIONS])
 135 # -----------------------------------------------
 136 # The call with PACKAGE and VERSION arguments is the old style
 137 # call (pre autoconf-2.50), which is being phased out.  PACKAGE
 138 # and VERSION should now be passed to AC_INIT and removed from
 139 # the call to AM_INIT_AUTOMAKE.
 140 # We support both call styles for the transition.  After
 141 # the next Automake release, Autoconf can make the AC_INIT
 142 # arguments mandatory, and then we can depend on a new Autoconf
 143 # release and drop the old call support.
 144 AC_DEFUN([AM_INIT_AUTOMAKE],
 145 [AC_PREREQ([2.58])dnl
 146 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 147 dnl the ones we care about.
 148 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
 149 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
 150 AC_REQUIRE([AC_PROG_INSTALL])dnl
 151 # test to see if srcdir already configured
 152 if test "`cd $srcdir && pwd`" != "`pwd`" &&
 153    test -f $srcdir/config.status; then
 154   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 155 fi
 156
 157 # test whether we have cygpath
 158 if test -z "$CYGPATH_W"; then
 159   if (cygpath --version) >/dev/null 2>/dev/null; then
 160     CYGPATH_W='cygpath -w'
 161   else
 162     CYGPATH_W=echo
 163   fi
 164 fi
 165 AC_SUBST([CYGPATH_W])
 166
 167 # Define the identity of the package.
 168 dnl Distinguish between old-style and new-style calls.
 169 m4_ifval([$2],
 170 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 171  AC_SUBST([PACKAGE], [$1])dnl
 172  AC_SUBST([VERSION], [$2])],
 173 [_AM_SET_OPTIONS([$1])dnl
 174  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 175  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 176
 177 _AM_IF_OPTION([no-define],,
 178 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
 179  AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
 180
 181 # Some tools Automake needs.
 182 AC_REQUIRE([AM_SANITY_CHECK])dnl
 183 AC_REQUIRE([AC_ARG_PROGRAM])dnl
 184 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
 185 AM_MISSING_PROG(AUTOCONF, autoconf)
 186 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
 187 AM_MISSING_PROG(AUTOHEADER, autoheader)
 188 AM_MISSING_PROG(MAKEINFO, makeinfo)
 189 AM_PROG_INSTALL_SH
 190 AM_PROG_INSTALL_STRIP
 191 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
 192 # We need awk for the "check" target.  The system "awk" is bad on
 193 # some platforms.
 194 AC_REQUIRE([AC_PROG_AWK])dnl
 195 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 196 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 197 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
 198               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
 199                              [_AM_PROG_TAR([v7])])])
 200 _AM_IF_OPTION([no-dependencies],,
 201 [AC_PROVIDE_IFELSE([AC_PROG_CC],
 202                   [_AM_DEPENDENCIES(CC)],
 203                   [define([AC_PROG_CC],
 204                           defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
 205 AC_PROVIDE_IFELSE([AC_PROG_CXX],
 206                   [_AM_DEPENDENCIES(CXX)],
 207                   [define([AC_PROG_CXX],
 208                           defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
 209 ])
 210 ])
 211
 212
 213 # When config.status generates a header, we must update the stamp-h file.
 214 # This file resides in the same directory as the config header
 215 # that is generated.  The stamp files are numbered to have different names.
 216
 217 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
 218 # loop where config.status creates the headers, so we can generate
 219 # our stamp files there.
 220 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
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 223 for _am_header in $config_headers :; do
 224   case $_am_header in
 225     $1 | $1:* )
 226       break ;;
 227     * )
 228       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
 229   esac
 230 done
 231 echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
 232
 233 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
 234 #
 235 # This file is free software; the Free Software Foundation
 236 # gives unlimited permission to copy and/or distribute it,
 237 # with or without modifications, as long as this notice is preserved.
 238
 239 # AM_PROG_INSTALL_SH
 240 # ------------------
 241 # Define $install_sh.
 242 AC_DEFUN([AM_PROG_INSTALL_SH],
 243 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 244 install_sh=${install_sh-"$am_aux_dir/install-sh"}
 245 AC_SUBST(install_sh)])
 246
 247 # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
 248 #
 249 # This file is free software; the Free Software Foundation
 250 # gives unlimited permission to copy and/or distribute it,
 251 # with or without modifications, as long as this notice is preserved.
 252
 253 # serial 2
 254
 255 # Check whether the underlying file-system supports filenames
 256 # with a leading dot.  For instance MS-DOS doesn't.
 257 AC_DEFUN([AM_SET_LEADING_DOT],
 258 [rm -rf .tst 2>/dev/null
 259 mkdir .tst 2>/dev/null
 260 if test -d .tst; then
 261   am__leading_dot=.
 262 else
 263   am__leading_dot=_
 264 fi
 265 rmdir .tst 2>/dev/null
 266 AC_SUBST([am__leading_dot])])
 267
 268 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 269 # From Jim Meyering
 270
 271 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005
 272 # Free Software Foundation, Inc.
 273 #
 274 # This file is free software; the Free Software Foundation
 275 # gives unlimited permission to copy and/or distribute it,
 276 # with or without modifications, as long as this notice is preserved.
 277
 278 # serial 4
 279
 280 AC_DEFUN([AM_MAINTAINER_MODE],
 281 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 282   dnl maintainer-mode is disabled by default
 283   AC_ARG_ENABLE(maintainer-mode,
 284 [  --enable-maintainer-mode  enable make rules and dependencies not useful
 285                           (and sometimes confusing) to the casual installer],
 286       USE_MAINTAINER_MODE=$enableval,
 287       USE_MAINTAINER_MODE=no)
 288   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
 289   AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])
 290   MAINT=$MAINTAINER_MODE_TRUE
 291   AC_SUBST(MAINT)dnl
 292 ]
 293 )
 294
 295 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 296
 297 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 298
 299 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
 300 # Free Software Foundation, Inc.
 301 #
 302 # This file is free software; the Free Software Foundation
 303 # gives unlimited permission to copy and/or distribute it,
 304 # with or without modifications, as long as this notice is preserved.
 305
 306 # serial 4
 307
 308 # AM_MISSING_PROG(NAME, PROGRAM)
 309 # ------------------------------
 310 AC_DEFUN([AM_MISSING_PROG],
 311 [AC_REQUIRE([AM_MISSING_HAS_RUN])
 312 $1=${$1-"${am_missing_run}$2"}
 313 AC_SUBST($1)])
 314
 315
 316 # AM_MISSING_HAS_RUN
 317 # ------------------
 318 # Define MISSING if not defined so far and test if it supports --run.
 319 # If it does, set am_missing_run to use it, otherwise, to nothing.
 320 AC_DEFUN([AM_MISSING_HAS_RUN],
 321 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 322 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
 323 # Use eval to expand $SHELL
 324 if eval "$MISSING --run true"; then
 325   am_missing_run="$MISSING --run "
 326 else
 327   am_missing_run=
 328   AC_MSG_WARN([`missing' script is too old or missing])
 329 fi
 330 ])
 331
 332 # Copyright (C) 2003, 2004, 2005  Free Software Foundation, Inc.
 333 #
 334 # This file is free software; the Free Software Foundation
 335 # gives unlimited permission to copy and/or distribute it,
 336 # with or without modifications, as long as this notice is preserved.
 337
 338 # AM_PROG_MKDIR_P
 339 # ---------------
 340 # Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
 341 #
 342 # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
 343 # created by `make install' are always world readable, even if the
 344 # installer happens to have an overly restrictive umask (e.g. 077).
 345 # This was a mistake.  There are at least two reasons why we must not
 346 # use `-m 0755':
 347 #   - it causes special bits like SGID to be ignored,
 348 #   - it may be too restrictive (some setups expect 775 directories).
 349 #
 350 # Do not use -m 0755 and let people choose whatever they expect by
 351 # setting umask.
 352 #
 353 # We cannot accept any implementation of `mkdir' that recognizes `-p'.
 354 # Some implementations (such as Solaris 8's) are not thread-safe: if a
 355 # parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
 356 # concurrently, both version can detect that a/ is missing, but only
 357 # one can create it and the other will error out.  Consequently we
 358 # restrict ourselves to GNU make (using the --version option ensures
 359 # this.)
 360 AC_DEFUN([AM_PROG_MKDIR_P],
 361 [if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
 362   # We used to keeping the `.' as first argument, in order to
 363   # allow $(mkdir_p) to be used without argument.  As in
 364   #   $(mkdir_p) $(somedir)
 365   # where $(somedir) is conditionally defined.  However this is wrong
 366   # for two reasons:
 367   #  1. if the package is installed by a user who cannot write `.'
 368   #     make install will fail,
 369   #  2. the above comment should most certainly read
 370   #     $(mkdir_p) $(DESTDIR)$(somedir)
 371   #     so it does not work when $(somedir) is undefined and
 372   #     $(DESTDIR) is not.
 373   #  To support the latter case, we have to write
 374   #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
 375   #  so the `.' trick is pointless.
 376   mkdir_p='mkdir -p --'
 377 else
 378   # On NextStep and OpenStep, the `mkdir' command does not
 379   # recognize any option.  It will interpret all options as
 380   # directories to create, and then abort because `.' already
 381   # exists.
 382   for d in ./-p ./--version;
 383   do
 384     test -d $d && rmdir $d
 385   done
 386   # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
 387   if test -f "$ac_aux_dir/mkinstalldirs"; then
 388     mkdir_p='$(mkinstalldirs)'
 389   else
 390     mkdir_p='$(install_sh) -d'
 391   fi
 392 fi
 393 AC_SUBST([mkdir_p])])
 394
 395 # Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
 396 # Free Software Foundation, Inc.
 397 #
 398 # This file is free software; the Free Software Foundation
 399 # gives unlimited permission to copy and/or distribute it,
 400 # with or without modifications, as long as this notice is preserved.
 401
 402 # serial 5
 403
 404 # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
 405 # ---------------------------------------------------
 406 # Add --enable-multilib to configure.
 407 AC_DEFUN([AM_ENABLE_MULTILIB],
 408 [# Default to --enable-multilib
 409 AC_ARG_ENABLE(multilib,
 410 [  --enable-multilib       build many library versions (default)],
 411 [case "$enableval" in
 412   yes) multilib=yes ;;
 413   no)  multilib=no ;;
 414   *)   AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
 415  esac],
 416               [multilib=yes])
 417
 418 # We may get other options which we leave undocumented:
 419 # --with-target-subdir, --with-multisrctop, --with-multisubdir
 420 # See config-ml.in if you want the gory details.
 421
 422 if test "$srcdir" = "."; then
 423   if test "$with_target_subdir" != "."; then
 424     multi_basedir="$srcdir/$with_multisrctop../$2"
 425   else
 426     multi_basedir="$srcdir/$with_multisrctop$2"
 427   fi
 428 else
 429   multi_basedir="$srcdir/$2"
 430 fi
 431 AC_SUBST(multi_basedir)
 432
 433 AC_OUTPUT_COMMANDS([
 434 # Only add multilib support code if we just rebuilt the top-level
 435 # Makefile.
 436 case " $CONFIG_FILES " in
 437  *" ]m4_default([$1],Makefile)[ "*)
 438    ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
 439    ;;
 440 esac],
 441                    [
 442 srcdir="$srcdir"
 443 host="$host"
 444 target="$target"
 445 with_multisubdir="$with_multisubdir"
 446 with_multisrctop="$with_multisrctop"
 447 with_target_subdir="$with_target_subdir"
 448 ac_configure_args="${multilib_arg} ${ac_configure_args}"
 449 multi_basedir="$multi_basedir"
 450 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 451 CC="$CC"])])dnl
 452
 453 # Helper functions for option handling.                     -*- Autoconf -*-
 454
 455 # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
 456 #
 457 # This file is free software; the Free Software Foundation
 458 # gives unlimited permission to copy and/or distribute it,
 459 # with or without modifications, as long as this notice is preserved.
 460
 461 # serial 3
 462
 463 # _AM_MANGLE_OPTION(NAME)
 464 # -----------------------
 465 AC_DEFUN([_AM_MANGLE_OPTION],
 466 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
 467
 468 # _AM_SET_OPTION(NAME)
 469 # ------------------------------
 470 # Set option NAME.  Presently that only means defining a flag for this option.
 471 AC_DEFUN([_AM_SET_OPTION],
 472 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
 473
 474 # _AM_SET_OPTIONS(OPTIONS)
 475 # ----------------------------------
 476 # OPTIONS is a space-separated list of Automake options.
 477 AC_DEFUN([_AM_SET_OPTIONS],
 478 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
 479
 480 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
 481 # -------------------------------------------
 482 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
 483 AC_DEFUN([_AM_IF_OPTION],
 484 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 485
 486 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
 487
 488 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
 489 # Free Software Foundation, Inc.
 490 #
 491 # This file is free software; the Free Software Foundation
 492 # gives unlimited permission to copy and/or distribute it,
 493 # with or without modifications, as long as this notice is preserved.
 494
 495 # serial 4
 496
 497 # AM_SANITY_CHECK
 498 # ---------------
 499 AC_DEFUN([AM_SANITY_CHECK],
 500 [AC_MSG_CHECKING([whether build environment is sane])
 501 # Just in case
 502 sleep 1
 503 echo timestamp > conftest.file
 504 # Do `set' in a subshell so we don't clobber the current shell's
 505 # arguments.  Must try -L first in case configure is actually a
 506 # symlink; some systems play weird games with the mod time of symlinks
 507 # (eg FreeBSD returns the mod time of the symlink's containing
 508 # directory).
 509 if (
 510    set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
 511    if test "$[*]" = "X"; then
 512       # -L didn't work.
 513       set X `ls -t $srcdir/configure conftest.file`
 514    fi
 515    rm -f conftest.file
 516    if test "$[*]" != "X $srcdir/configure conftest.file" \
 517       && test "$[*]" != "X conftest.file $srcdir/configure"; then
 518
 519       # If neither matched, then we have a broken ls.  This can happen
 520       # if, for instance, CONFIG_SHELL is bash and it inherits a
 521       # broken ls alias from the environment.  This has actually
 522       # happened.  Such a system could not be considered "sane".
 523       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 524 alias in your environment])
 525    fi
 526
 527    test "$[2]" = conftest.file
 528    )
 529 then
 530    # Ok.
 531    :
 532 else
 533    AC_MSG_ERROR([newly created file is older than distributed files!
 534 Check your system clock])
 535 fi
 536 AC_MSG_RESULT(yes)])
 537
 538 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
 539 #
 540 # This file is free software; the Free Software Foundation
 541 # gives unlimited permission to copy and/or distribute it,
 542 # with or without modifications, as long as this notice is preserved.
 543
 544 # AM_PROG_INSTALL_STRIP
 545 # ---------------------
 546 # One issue with vendor `install' (even GNU) is that you can't
 547 # specify the program used to strip binaries.  This is especially
 548 # annoying in cross-compiling environments, where the build's strip
 549 # is unlikely to handle the host's binaries.
 550 # Fortunately install-sh will honor a STRIPPROG variable, so we
 551 # always use install-sh in `make install-strip', and initialize
 552 # STRIPPROG with the value of the STRIP variable (set by the user).
 553 AC_DEFUN([AM_PROG_INSTALL_STRIP],
 554 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 555 # Installed binaries are usually stripped using `strip' when the user
 556 # run `make install-strip'.  However `strip' might not be the right
 557 # tool to use in cross-compilation environments, therefore Automake
 558 # will honor the `STRIP' environment variable to overrule this program.
 559 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
 560 if test "$cross_compiling" != no; then
 561   AC_CHECK_TOOL([STRIP], [strip], :)
 562 fi
 563 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
 564 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 565
 566 # Check how to create a tarball.                            -*- Autoconf -*-
 567
 568 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.
 569 #
 570 # This file is free software; the Free Software Foundation
 571 # gives unlimited permission to copy and/or distribute it,
 572 # with or without modifications, as long as this notice is preserved.
 573
 574 # serial 2
 575
 576 # _AM_PROG_TAR(FORMAT)
 577 # --------------------
 578 # Check how to create a tarball in format FORMAT.
 579 # FORMAT should be one of `v7', `ustar', or `pax'.
 580 #
 581 # Substitute a variable $(am__tar) that is a command
 582 # writing to stdout a FORMAT-tarball containing the directory
 583 # $tardir.
 584 #     tardir=directory && $(am__tar) > result.tar
 585 #
 586 # Substitute a variable $(am__untar) that extract such
 587 # a tarball read from stdin.
 588 #     $(am__untar) < result.tar
 589 AC_DEFUN([_AM_PROG_TAR],
 590 [# Always define AMTAR for backward compatibility.
 591 AM_MISSING_PROG([AMTAR], [tar])
 592 m4_if([$1], [v7],
 593      [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
 594      [m4_case([$1], [ustar],, [pax],,
 595               [m4_fatal([Unknown tar format])])
 596 AC_MSG_CHECKING([how to create a $1 tar archive])
 597 # Loop over all known methods to create a tar archive until one works.
 598 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
 599 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
 600 # Do not fold the above two line into one, because Tru64 sh and
 601 # Solaris sh will not grok spaces in the rhs of `-'.
 602 for _am_tool in $_am_tools
 603 do
 604   case $_am_tool in
 605   gnutar)
 606     for _am_tar in tar gnutar gtar;
 607     do
 608       AM_RUN_LOG([$_am_tar --version]) && break
 609     done
 610     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
 611     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
 612     am__untar="$_am_tar -xf -"
 613     ;;
 614   plaintar)
 615     # Must skip GNU tar: if it does not support --format= it doesn't create
 616     # ustar tarball either.
 617     (tar --version) >/dev/null 2>&1 && continue
 618     am__tar='tar chf - "$$tardir"'
 619     am__tar_='tar chf - "$tardir"'
 620     am__untar='tar xf -'
 621     ;;
 622   pax)
 623     am__tar='pax -L -x $1 -w "$$tardir"'
 624     am__tar_='pax -L -x $1 -w "$tardir"'
 625     am__untar='pax -r'
 626     ;;
 627   cpio)
 628     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
 629     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
 630     am__untar='cpio -i -H $1 -d'
 631     ;;
 632   none)
 633     am__tar=false
 634     am__tar_=false
 635     am__untar=false
 636     ;;
 637   esac
 638
 639   # If the value was cached, stop now.  We just wanted to have am__tar
 640   # and am__untar set.
 641   test -n "${am_cv_prog_tar_$1}" && break
 642
 643   # tar/untar a dummy directory, and stop if the command works
 644   rm -rf conftest.dir
 645   mkdir conftest.dir
 646   echo GrepMe > conftest.dir/file
 647   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
 648   rm -rf conftest.dir
 649   if test -s conftest.tar; then
 650     AM_RUN_LOG([$am__untar <conftest.tar])
 651     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
 652   fi
 653 done
 654 rm -rf conftest.dir
 655
 656 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
 657 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
 658 AC_SUBST([am__tar])
 659 AC_SUBST([am__untar])
 660 ]) # _AM_PROG_TAR
 661
 662 m4_include([acinclude.m4])